1909 Mississippi A&M Aggies football team

The 1909 Mississippi A&M Aggies football team represented The Agricultural and Mechanical College of the State of Mississippi (now known as Mississippi State University) as a member of the Southern Intercollegiate Athletic Association (SIAA) during the 1909 college football season. Led by first-year head coach W. D. Chadwick, the Aggies compiled an overall record of 5–4, with a mark of 0–3 in conference play.